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6.9.5) Adjustment of Moving and Fixed Blades
-
When the needle bar stops at the upper stop position, adjust the distance(A) between the thread separation point of the
moving blade and the needle plate hole to be the figure described in the table by using the adjusting screw.
-
Adjust the distance(B) between the fixed blade and the needle plate cover in accordance with the table by using the
tightening screw for the fixed blade.
-
After the adjustment is completed, check the position of blades by manually operating the trimmer.
4.5mm
0.5mm
A
B
Needle
Plate Cover
Moving Blade
Fixed Blade
6.10) Adjustment of Thread Volume on Bobbin
To adjust the thread volume wound on the bobbin, use the
initial position of the thread winder adjusting plate. If lots of
thread is wound, loosen the tightening screw on the thread
winder adjusting plate and turn it to the A direction. If the
thread volume wound on the bobbin is small, turn the screw
in the B direction.
Bobbin
Thread Winder
Adjusting Plate
-
Adjust the thread winder wheel to be 1mm away from
the presser foot drive cam and fasten the tightening
screw.
Thread Winder
Drive Wheel
Upper
Shaft
Presser Foot
Drive Cam
1mm
If the position setting is not proper, trimmer failure or shorter remaining thread might occur.
Caution